Question

Example 2: et f be the function given by
​a) Find the domain of f.
​b) Find f '(x)
​c) Find the slope of the line normal to the graph of f at x = 5
F(x)=((x^4)^2)-16x^2......please help me

Answer 1

Is that the entire function? x^8-16x^2 ?

Answer 2

\[F(x)=\sqrt{X^4}-16x^2\]